Features: Brand new and high quality Made of high quality material, and practical to use Easy to mount onto the bike computer extension mount(Not included). Enabling your bike mount to install different brands of bicycle computer. Enriching your installation choices. A indispensable accessory in mounting your bike computer onto bike. Note: The base of this computer is non-standard and has a special size, please purchase according to the size Specifications: Material: Nylon Color: Black Size：33mm/34mm Package Contents: 1 x Fixed dial Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Compatibility - Bicycle Computer Mount Holder Bracket Adapter Base For compatible with GARMIN Non-standard Good Performance Materials - These bike accessories are made of premium material, ensuring their durability and long-lasting performance. Optimal Performance - These accessories offer versatility and adaptability to different cycling needs and provide optimal performance and reliable functionality enhance the riding experience and ensure safety. Easy Installation - These accessories can be easily installed on your bike to get your bike running again. After-sale Serive - We provide high quality products, if there is any problem with our product, please contact us.